# b vs YD EXPRESS

The clearest difference is ads: YD EXPRESS at none against b's shown. YD EXPRESS also leads on update cadence (every 2 weeks vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

b ships an update every 5 weeks, YD EXPRESS every 2 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | b | YD EXPRESS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 174 MB | 37 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bluebell Asia Limited](https://appshunter.io/developer/1616123655) | [UD GLOBAL LOGISTICS CO.,LTD](https://appshunter.io/developer/1834813553) |

## What reviewers say

### b

[App page](https://appshunter.io/ios/app/b-circle/id6444941071)

**Features:** macOS Compatibility

**In-app purchases:** none


### YD EXPRESS

[App page](https://appshunter.io/ios/app/yd-express/id6751373450)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is b free?

b is free to download, with no in-app purchases.

### Is YD EXPRESS free?

YD EXPRESS is free to download, with no in-app purchases.

### Do b or YD EXPRESS have ads?

b shows ads; YD EXPRESS does not.

### Which is updated more often, b or YD EXPRESS?

b ships an update every 5 weeks, and YD EXPRESS every 2 weeks. Most recently, b was updated on October 7, 2026 and YD EXPRESS on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*